257332992

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 790390272

約数和(自身を除く): 533057280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 151, 168, 192, 224, 256, 302, 317, 336, 384, 448, 453, 604, 634, 672, 768, 896, 906, 951, 1057, 1208, 1268, 1344, 1792, 1812, 1902, 2114, 2219, 2416, 2536, 2688, 3171, 3624, 3804, 4228, 4438, 4832, 5072, 5376, 6342, 6657, 7248, 7608, 8456, 8876, 9664, 10144, 12684, 13314, 14496, 15216, 16912, 17752, 19328, 20288, 25368, 26628, 28992, 30432, 33824, 35504, 38656, 40576, 47867, 50736, 53256, 57984, 60864, 67648, 71008, 81152, 95734, 101472, 106512, 115968, 121728, 135296, 142016, 143601, 191468, 202944, 213024, 243456, 270592, 284032, 287202, 335069, 382936, 405888, 426048, 568064, 574404, 670138, 765872, 811776, 852096, 1005207, 1148808, 1340276, 1531744, 1704192, 2010414, 2297616, 2680552, 3063488, 4020828, 4595232, 5361104, 6126976, 8041656, 9190464, 10722208, 12253952, 16083312, 18380928, 21444416, 32166624, 36761856, 42888832, 64333248, 85777664, 128666496, 257332992]

約数ペア:

[(1, 257332992), (2, 128666496), (3, 85777664), (4, 64333248), (6, 42888832), (7, 36761856), (8, 32166624), (12, 21444416), (14, 18380928), (16, 16083312), (21, 12253952), (24, 10722208), (28, 9190464), (32, 8041656), (42, 6126976), (48, 5361104), (56, 4595232), (64, 4020828), (84, 3063488), (96, 2680552), (112, 2297616), (128, 2010414), (151, 1704192), (168, 1531744), (192, 1340276), (224, 1148808), (256, 1005207), (302, 852096), (317, 811776), (336, 765872), (384, 670138), (448, 574404), (453, 568064), (604, 426048), (634, 405888), (672, 382936), (768, 335069), (896, 287202), (906, 284032), (951, 270592), (1057, 243456), (1208, 213024), (1268, 202944), (1344, 191468), (1792, 143601), (1812, 142016), (1902, 135296), (2114, 121728), (2219, 115968), (2416, 106512), (2536, 101472), (2688, 95734), (3171, 81152), (3624, 71008), (3804, 67648), (4228, 60864), (4438, 57984), (4832, 53256), (5072, 50736), (5376, 47867), (6342, 40576), (6657, 38656), (7248, 35504), (7608, 33824), (8456, 30432), (8876, 28992), (9664, 26628), (10144, 25368), (12684, 20288), (13314, 19328), (14496, 17752), (15216, 16912)]